Home / 53,948.18-74,447.06-31,285.76

Finding the Fourth Proportional to 53,948.18, 74,447.06 and 31,285.76

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Solution

The fourth proportional to 53,948.18, 74,447.06 and 31,285.76 is: 43,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.18 : 74,447.06 = 31,285.76 : x
  2. Step 2: Convert to fraction form
    53,948.18/74,447.06 = 31,285.76/x
  3. Step 3: Cross multiply
    53,948.18x = 74,447.06 × 31,285.76
  4. Step 4: Simplify right side
    53,948.18x = 2,329,132,323.20
  5. Step 5: Solve for x
    x = 2,329,132,323.20/53,948.18
  6. Step 6: Final answer
    x = 43,173.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.